[libadwaita/wip/exalm/fixes: 2/4] gizmo: Add a missing G_GNUC_WARN_UNUSED_RESULT

[Alexander Mikhaylenko <alexm src gnome org>]

commit fc605b172427b1ff8682b4d6986635f3433b79cd
Author: Alexander Mikhaylenko <alexm gnome org>
Date:   Mon Apr 18 00:33:20 2022 +0400

    gizmo: Add a missing G_GNUC_WARN_UNUSED_RESULT

 src/adw-gizmo-private.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/src/adw-gizmo-private.h b/src/adw-gizmo-private.h
index ec95b2a9..ce667c15 100644
--- a/src/adw-gizmo-private.h
+++ b/src/adw-gizmo-private.h
@@ -56,6 +56,6 @@ GtkWidget *adw_gizmo_new_with_role (const char            *css_name,
                                     AdwGizmoSnapshotFunc   snapshot_func,
                                     AdwGizmoContainsFunc   contains_func,
                                     AdwGizmoFocusFunc      focus_func,
-                                    AdwGizmoGrabFocusFunc  grab_focus_func);
+                                    AdwGizmoGrabFocusFunc  grab_focus_func) G_GNUC_WARN_UNUSED_RESULT;
 
 G_END_DECLS